Granted Patent
Utility
US 4,743,871 · App. 07/014,236
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Inventor:
Jeffrey G. Searle
Patented Case
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Granted: May 10, 1988
Filed: Feb 12, 1987
Inventor
Jeffrey G. Searle
Assignee (at issue)
STC PLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.